| package com.android.settingslib; |
| |
| import android.annotation.ColorInt; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.Signature; |
| import android.content.pm.UserInfo; |
| import android.content.res.ColorStateList; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Color; |
| import android.graphics.PorterDuff; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.LayerDrawable; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkBadging; |
| import android.os.BatteryManager; |
| import android.os.UserManager; |
| import android.print.PrintManager; |
| import android.provider.Settings; |
| import android.view.View; |
| |
| import com.android.internal.util.UserIcons; |
| import com.android.settingslib.drawable.UserIconDrawable; |
| |
| import java.text.NumberFormat; |
| |
| public class Utils { |
| private static Signature[] sSystemSignature; |
| private static String sPermissionControllerPackageName; |
| private static String sServicesSystemSharedLibPackageName; |
| private static String sSharedSystemSharedLibPackageName; |
| |
| static final int[] WIFI_PIE_FOR_BADGING = { |
| com.android.internal.R.drawable.ic_signal_wifi_badged_0_bars, |
| com.android.internal.R.drawable.ic_signal_wifi_badged_1_bar, |
| com.android.internal.R.drawable.ic_signal_wifi_badged_2_bars, |
| com.android.internal.R.drawable.ic_signal_wifi_badged_3_bars, |
| com.android.internal.R.drawable.ic_signal_wifi_badged_4_bars |
| }; |
| |
| /** |
| * Return string resource that best describes combination of tethering |
| * options available on this device. |
| */ |
| public static int getTetheringLabel(ConnectivityManager cm) { |
| String[] usbRegexs = cm.getTetherableUsbRegexs(); |
| String[] wifiRegexs = cm.getTetherableWifiRegexs(); |
| String[] bluetoothRegexs = cm.getTetherableBluetoothRegexs(); |
| |
| boolean usbAvailable = usbRegexs.length != 0; |
| boolean wifiAvailable = wifiRegexs.length != 0; |
| boolean bluetoothAvailable = bluetoothRegexs.length != 0; |
| |
| if (wifiAvailable && usbAvailable && bluetoothAvailable) { |
| return R.string.tether_settings_title_all; |
| } else if (wifiAvailable && usbAvailable) { |
| return R.string.tether_settings_title_all; |
| } else if (wifiAvailable && bluetoothAvailable) { |
| return R.string.tether_settings_title_all; |
| } else if (wifiAvailable) { |
| return R.string.tether_settings_title_wifi; |
| } else if (usbAvailable && bluetoothAvailable) { |
| return R.string.tether_settings_title_usb_bluetooth; |
| } else if (usbAvailable) { |
| return R.string.tether_settings_title_usb; |
| } else { |
| return R.string.tether_settings_title_bluetooth; |
| } |
| } |
| |
| /** |
| * Returns a label for the user, in the form of "User: user name" or "Work profile". |
| */ |
| public static String getUserLabel(Context context, UserInfo info) { |
| String name = info != null ? info.name : null; |
| if (info.isManagedProfile()) { |
| // We use predefined values for managed profiles |
| return context.getString(R.string.managed_user_title); |
| } else if (info.isGuest()) { |
| name = context.getString(R.string.user_guest); |
| } |
| if (name == null && info != null) { |
| name = Integer.toString(info.id); |
| } else if (info == null) { |
| name = context.getString(R.string.unknown); |
| } |
| return context.getResources().getString(R.string.running_process_item_user_label, name); |
| } |
| |
| /** |
| * Returns a circular icon for a user. |
| */ |
| public static Drawable getUserIcon(Context context, UserManager um, UserInfo user) { |
| final int iconSize = UserIconDrawable.getSizeForList(context); |
| if (user.isManagedProfile()) { |
| Drawable drawable = context.getDrawable(com.android.internal.R.drawable.ic_corp_icon); |
| drawable.setBounds(0, 0, iconSize, iconSize); |
| return drawable; |
| } |
| if (user.iconPath != null) { |
| Bitmap icon = um.getUserIcon(user.id); |
| if (icon != null) { |
| return new UserIconDrawable(iconSize).setIcon(icon).bake(); |
| } |
| } |
| return new UserIconDrawable(iconSize).setIconDrawable( |
| UserIcons.getDefaultUserIcon(user.id, /* light= */ false)).bake(); |
| } |
| |
| /** Formats a double from 0.0..100.0 with an option to round **/ |
| public static String formatPercentage(double percentage, boolean round) { |
| final int localPercentage = round ? Math.round((float) percentage) : (int) percentage; |
| return formatPercentage(localPercentage); |
| } |
| |
| /** Formats the ratio of amount/total as a percentage. */ |
| public static String formatPercentage(long amount, long total) { |
| return formatPercentage(((double) amount) / total); |
| } |
| |
| /** Formats an integer from 0..100 as a percentage. */ |
| public static String formatPercentage(int percentage) { |
| return formatPercentage(((double) percentage) / 100.0); |
| } |
| |
| /** Formats a double from 0.0..1.0 as a percentage. */ |
| public static String formatPercentage(double percentage) { |
| return NumberFormat.getPercentInstance().format(percentage); |
| } |
| |
| public static int getBatteryLevel(Intent batteryChangedIntent) { |
| int level = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0); |
| int scale = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_SCALE, 100); |
| return (level * 100) / scale; |
| } |
| |
| public static String getBatteryStatus(Resources res, Intent batteryChangedIntent) { |
| int status = batteryChangedIntent.getIntExtra(BatteryManager.EXTRA_STATUS, |
| BatteryManager.BATTERY_STATUS_UNKNOWN); |
| String statusString; |
| if (status == BatteryManager.BATTERY_STATUS_CHARGING) { |
| statusString = res.getString(R.string.battery_info_status_charging); |
| } else if (status == BatteryManager.BATTERY_STATUS_DISCHARGING) { |
| statusString = res.getString(R.string.battery_info_status_discharging); |
| } else if (status == BatteryManager.BATTERY_STATUS_NOT_CHARGING) { |
| statusString = res.getString(R.string.battery_info_status_not_charging); |
| } else if (status == BatteryManager.BATTERY_STATUS_FULL) { |
| statusString = res.getString(R.string.battery_info_status_full); |
| } else { |
| statusString = res.getString(R.string.battery_info_status_unknown); |
| } |
| |
| return statusString; |
| } |
| |
| @ColorInt |
| public static int getColorAccent(Context context) { |
| return getColorAttr(context, android.R.attr.colorAccent); |
| } |
| |
| @ColorInt |
| public static int getColorError(Context context) { |
| return getColorAttr(context, android.R.attr.colorError); |
| } |
| |
| @ColorInt |
| public static int getDefaultColor(Context context, int resId) { |
| final ColorStateList list = |
| context.getResources().getColorStateList(resId, context.getTheme()); |
| |
| return list.getDefaultColor(); |
| } |
| |
| @ColorInt |
| public static int getDisabled(Context context, int inputColor) { |
| return applyAlphaAttr(context, android.R.attr.disabledAlpha, inputColor); |
| } |
| |
| @ColorInt |
| public static int applyAlphaAttr(Context context, int attr, int inputColor) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| float alpha = ta.getFloat(0, 0); |
| ta.recycle(); |
| return applyAlpha(alpha, inputColor); |
| } |
| |
| @ColorInt |
| public static int applyAlpha(float alpha, int inputColor) { |
| alpha *= Color.alpha(inputColor); |
| return Color.argb((int) (alpha), Color.red(inputColor), Color.green(inputColor), |
| Color.blue(inputColor)); |
| } |
| |
| @ColorInt |
| public static int getColorAttr(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| @ColorInt int colorAccent = ta.getColor(0, 0); |
| ta.recycle(); |
| return colorAccent; |
| } |
| |
| public static int getThemeAttr(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| int theme = ta.getResourceId(0, 0); |
| ta.recycle(); |
| return theme; |
| } |
| |
| public static Drawable getDrawable(Context context, int attr) { |
| TypedArray ta = context.obtainStyledAttributes(new int[]{attr}); |
| Drawable drawable = ta.getDrawable(0); |
| ta.recycle(); |
| return drawable; |
| } |
| |
| /** |
| * Determine whether a package is a "system package", in which case certain things (like |
| * disabling notifications or disabling the package altogether) should be disallowed. |
| */ |
| public static boolean isSystemPackage(Resources resources, PackageManager pm, PackageInfo pkg) { |
| if (sSystemSignature == null) { |
| sSystemSignature = new Signature[]{ getSystemSignature(pm) }; |
| } |
| if (sPermissionControllerPackageName == null) { |
| sPermissionControllerPackageName = pm.getPermissionControllerPackageName(); |
| } |
| if (sServicesSystemSharedLibPackageName == null) { |
| sServicesSystemSharedLibPackageName = pm.getServicesSystemSharedLibraryPackageName(); |
| } |
| if (sSharedSystemSharedLibPackageName == null) { |
| sSharedSystemSharedLibPackageName = pm.getSharedSystemSharedLibraryPackageName(); |
| } |
| return (sSystemSignature[0] != null |
| && sSystemSignature[0].equals(getFirstSignature(pkg))) |
| || pkg.packageName.equals(sPermissionControllerPackageName) |
| || pkg.packageName.equals(sServicesSystemSharedLibPackageName) |
| || pkg.packageName.equals(sSharedSystemSharedLibPackageName) |
| || pkg.packageName.equals(PrintManager.PRINT_SPOOLER_PACKAGE_NAME) |
| || isDeviceProvisioningPackage(resources, pkg.packageName); |
| } |
| |
| private static Signature getFirstSignature(PackageInfo pkg) { |
| if (pkg != null && pkg.signatures != null && pkg.signatures.length > 0) { |
| return pkg.signatures[0]; |
| } |
| return null; |
| } |
| |
| private static Signature getSystemSignature(PackageManager pm) { |
| try { |
| final PackageInfo sys = pm.getPackageInfo("android", PackageManager.GET_SIGNATURES); |
| return getFirstSignature(sys); |
| } catch (NameNotFoundException e) { |
| } |
| return null; |
| } |
| |
| /** |
| * Returns {@code true} if the supplied package is the device provisioning app. Otherwise, |
| * returns {@code false}. |
| */ |
| public static boolean isDeviceProvisioningPackage(Resources resources, String packageName) { |
| String deviceProvisioningPackage = resources.getString( |
| com.android.internal.R.string.config_deviceProvisioningPackage); |
| return deviceProvisioningPackage != null && deviceProvisioningPackage.equals(packageName); |
| } |
| |
| /** |
| * Returns a badged Wifi icon drawable. |
| * |
| * <p>The first layer contains the Wifi pie and the second layer contains the badge. Callers |
| * should set the drawable to the appropriate size and tint color. |
| * |
| * @param context The caller's context (must have access to internal resources) |
| * @param level The number of bars to show (0-4) |
| * @param badge The badge enum {@see android.net.ScoredNetwork} |
| * |
| * @throws IllegalArgumentException if an invalid badge enum is given |
| * |
| * @deprecated TODO(sghuman): Finalize the form of this method and then move it to a new |
| * location. |
| */ |
| public static LayerDrawable getBadgedWifiIcon(Context context, int level, int badge) { |
| return new LayerDrawable( |
| new Drawable[] { |
| context.getDrawable(WIFI_PIE_FOR_BADGING[level]), |
| context.getDrawable(getWifiBadgeResource(badge)) |
| }); |
| } |
| |
| private static int getWifiBadgeResource(int badge) { |
| switch (badge) { |
| case NetworkBadging.BADGING_NONE: |
| return View.NO_ID; |
| case NetworkBadging.BADGING_SD: |
| return com.android.internal.R.drawable.ic_signal_wifi_badged_sd; |
| case NetworkBadging.BADGING_HD: |
| return com.android.internal.R.drawable.ic_signal_wifi_badged_hd; |
| case NetworkBadging.BADGING_4K: |
| return com.android.internal.R.drawable.ic_signal_wifi_badged_4k; |
| default: |
| throw new IllegalArgumentException( |
| "No badge resource found for badge value: " + badge); |
| } |
| } |
| |
| public static int getDefaultStorageManagerDaysToRetain(Resources resources) { |
| int defaultDays = Settings.Secure.AUTOMATIC_STORAGE_MANAGER_DAYS_TO_RETAIN_DEFAULT; |
| try { |
| defaultDays = |
| resources.getInteger( |
| com.android |
| .internal |
| .R |
| .integer |
| .config_storageManagerDaystoRetainDefault); |
| } catch (Resources.NotFoundException e) { |
| // We are likely in a test environment. |
| } |
| return defaultDays; |
| } |
| } |
